Ink composition, ink cartridge including the ink...

Details Ink composition, ink cartridge including the ink... Ink composition, ink cartridge including the ink...

2011-05-10

2011-05-10

Lorengo, Jerry (Department: 1731)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S031430, C106S031750, C106S031760

Reexamination Certificate

active

07938898

ABSTRACT:
Provided is an ink composition including a colorant; a solvent; a surfactant; and an oxygen absorber of a hetero ring compound and a hydroxylamine-based compound. The oxygen absorber lowers a concentration of oxygen dissolved in the ink composition and maintains a low level even when the ink composition is in a high-temperature condition. Thus, gas is substantially not generated and bubbles are not formed. The ink composition can be stably ejected during high-speed printing.

REFERENCES:
patent: 4279653 (1981-07-01), Makishima et al.
patent: 7247192 (2007-07-01), Ohira et al.
patent: 52-74406 (1977-06-01), None

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